Missouri Outline Missouri Demographics by Cubit

Missouri / Marion County

Get Marion County, MO Demographics

Who knew Marion County demographics could be so sexy? Check out Census 2010 data and current American Community Survey data for Marion County, MO. Feast your eyes on statuesque tables, curvacous pie charts and titillating trend lines. We dare you to call Marion County demographic data boring!

Quick Facts

Population 2010 Census 28,781 #40 in the state
Median Income 2010 for Households $40,859
Poverty Rate 16.0%
Median Age 39.0 years
Largest Racial or Ethnic Group White
Sources: Census 2010 SF1 & 2006-2010 American Community Survey 5 year estimates

Marion County Demographics Summary

population icon With 28,781 people, Marion County is the 40th most populated county in the state of Missouri out of 114 counties. But watch out, Marion County, because Texas County with 26,008 people and Adair County with 25,607 people are right behind you.

income icon In 2010, the median household income of Marion County residents was $40,859. Marion County households made slightly more than Gasconade County households ($40,837) and Lewis County households ($40,399) However, 16.0% of Marion County residents live in poverty.

age icon The median age for Marion County residents is 39.0 years young.

race icon The largest Marion County racial/ethinic groups are White (91.0%) followed by Black (4.9%) and Two or more races (1.9%).

Marion County Race / Ethnic Groups

Non-Hispanic Population
White 26,202
Black 1,400
American Indian 46
Asian 153
Pacific Islander 20
Some Other Race 24
Two or More Races 545
Hispanic 391
Source: Census 2010 SF1 Table P9 Hispanic or Latino or Not Hispanic or Latino by Race
  • White
  • Black
  • Indian
  • Asian
  • Pacific Islander
  • Some Other Race
  • Two or More Races
  • Hispanic

3 Largest Marion County Race / Ethnic Groups

  • The Marion County White population is 26,202 persons or 91.0%.
  • The Marion County Black population is 1,400 persons or 4.9%.
  • The Marion County Two or more races population is 545 persons or 1.9%.

Note: the US Census Bureau defines race and ethnicity differently from the way most people think about race and ethnicity. In a nutshell, a person's origin (or what used to be called ethnicity) is either Hispanic or Non-Hispanic. And a person's race can be white, black or African American, American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, Some Other Race or Two or More Races. For more details about race and origin data, google "US Census Bureau race and origin Census 2010."


Marion County Median Age

Fellas, you need to start eating your Wheaties™. Marion County ladies have a higher median age.

Median Age 39.0 years
Median Age - Females 40.2 years
Median Age - Males 37.9 years
Source: Census 2010 SF1 Table P13 Median Age by Male/Female

Under 18 and Over 65 Age Breakdown

With 23.9% of the Marion County population under 18, Marion County has more spring chickens than a KFC ® at dinner time.

Persons Under 18 23.9%
Persons Over 65 15.7%
Everyone else 60.4
Source: Census 2010 SF1 Table P12 Male/Female by Age
  • Under 18
  • Over 65
  • Everyone else

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